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1
Life-cycle environmental benefits of using bioethanol as a gasoline additive
Cyhoeddwyd yn Philippine Engineering Journal (2002)Erthygl -
2
Nature, types and functions of fuel additives and their roles in conservation
Cyhoeddwyd yn Philippine Engineering Journal (1980)Erthygl -
3
Nature, types and functions of fuel additives and their roles in conservation
Cyhoeddwyd yn Philippine Engineering Journal (1980)Erthygl